不ReplayHide orderStrokes: KanjiVG, CC BY-SA 3.0no; not so, (bound form) not; un-PinyinbùStrokes4Frequency9 of 2500Words starting with 不Words ending in 不Anywhere in a word
必ReplayHide orderStrokes: KanjiVG, CC BY-SA 3.0certainly, must, will, necessarilyPinyinbìStrokes5Frequency9692 of 2500Words starting with 必Words ending in 必Anywhere in a word